Schirrmacher is chairman of the Board of Trustees of the Gebende Hände gGmbH (German: Giving Hands charitable Gesellschaft mit beschränkter Haftung), an internationally active relief organisation.[10] He is member of the commission for religious freedom of the World Evangelical Alliance and since 2008 president of the International Institute for Religious Freedom (Bonn, Kapstadt, Colombo).[11] He also is their speaker for human rights.[12] According to media he is one of the leading experts on the topic of persecution of christians.[13] Several times he was speaking as expert on human rights in the German Parliament.[14] In October 2015 he was the only evangelical member of the catholic synod on family lead by Pope Francis.[15] He is president of the International Society for Human Rights,[16] manager of the Religious Liberty Commission of the German and the Swiss Evangelical Alliance, and director of the International Institute for Religious Freedom of the World Evangelical Alliance.

Another main focus of the work of Schirrmacher besides religious freedom in the area of human rights is the fight against Human trafficking.

Magister Praetor Order of merit for achievements relating to the planning of a civic central council of Christians in the Near East and Middle East (Oriental Christian Council) and for promoting the House of Ghassan, specifically noting “that he [enabled] the House’s personal contact to Pope Francis and to the Ecumenical Patriarch Bartholomew”[21]

Knight Grand Cross the highest order of the knightly order “The Sacred Order of Michael Archangel” for his efforts in the cause of human rights and religious freedom in the Near and Middle East[22]